/Engine/Source/Developer/AssetTools/Public/AssetTypeActions_Base.h
Performs asset-specific diff on the supplied asset
virtual void PerformAssetDiff ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * OldAsset, [UObject](API\Runtime\CoreUObject\UObject\UObject) * NewAsset, const struct [FRevisionInfo](API\Editor\AssetDefinition\FRevisionInfo) & OldRevision, const struct [FRevisionInfo](API\Editor\AssetDefinition\FRevisionInfo) & NewRevision ) const